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st: -mi impute- on longitudinal data


From   David Torres <writeon4truth2@msn.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: -mi impute- on longitudinal data
Date   Thu, 27 Sep 2012 19:47:18 -0500

Hello, all,

I have a pretty large data file that includes time-varying information across about 150 months for about 9000 people.  The data have missing values and are currently in wide format for the carrying out of a multiple imputation procedure using Stata's -mi impute- command..  I'm having some difficulty, or rather Stata is, handling the imputations, primarily with the mlogit portion of the code.

Is there a way to carry out multiple imputation on the data if they are in LONG format?  That is, can something be written in the code to account for the dependence among the different time periods within a time-varying variable?

DDTorres
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